@charset "UTF-8";

@import "sprite";

body {
  background-color: #fff;
  font-family: Arial, "microsoft yahei", serif;
  text-align:center;
}
.box {
  display: flex;
  align-items: center;
  justify-content: center;
  background: pink;
}
.css3 {
  $w: 500px;
  width: $w;
  height: $w;
  margin:0 auto;
  background:url("../img/css.jpg?rev=@@hash") center no-repeat pink;
  background-size: cover;
}
.icon {
  $w: 48px;
  $h: $w;
  width: $w;
  height: $h;
}
.huoche {
  @include sprite($huoche);
}
.xueshang {
  @include sprite($xueshang);
}
.huanghun {
  @include sprite($huanghun);
}
.yewan {
  @include sprite($yewan);
}